Cane Creek 110 IS41/28.6 IS52/40 Headset, BlackBacked by a 110 year warranty and constructed in Fletcher, NC, the 110 Series headset is designed with no compromises in quality, durability, or finish quality. Integrated bearings fit directly into compatible head tubes without the need of a bearing press. Compatible with tapered 1 1 8" to 1 1 2" steerer tubes, or straight 1 1 8" steerers with a conversion crown race (sold separately) Sealed stainless steel bearings Carbon friendy compression ring